| 2024年 | 2025年 | 平年値 | |
| 3-20 | 15 | 13.7 | 15.2 |
| 3-21 | 15.1 | 14.2 | 14.9 |
| 3-22 | 14.7 | 15.6 | 15 |
| 3-23 | 15.1 | 15.8 | 15 |
| 3-24 | 15 | 16.4 | 15.1 |
| 3-25 | 14.9 | 16.5 | 15 |
| 3-26 | 14.9 | 16.7 | 15.2 |
| 3-27 | 14.9 | 17 | 14.7 |
| 3-28 | 15.3 | 16.8 | 15 |
| 3-29 | 15.7 | 17 | 15 |
| 3-30 | 15.7 | 16.9 | 15.1 |
| 3-31 | 15.7 | 16.4 | 15.2 |
| 4-1 | 15.9 | 16.4 | 15.3 |
| 4-2 | 16.3 | 16.6 | 15.4 |
| 4-3 | 16.1 | --- | 15.3 |